adding missing pieces of the HTML structure

index.html

@@ -31,15 +31,23 @@
       <!-- Special Issue 19 + 20 + 21 -->
           
       <div id="special-issue-21" class="issue future" data-cycle="1">
-      	<div class="issue-nr">Special<br> Issue 21</div>
-				<div class="issue-date">April/June 2023</div>
-      	<div class="issue-img"><img src="img/none.png"></div>
+      	<a href="21/index.html">
+      		<div class="issue-nr">Special<br> Issue 21</div>
+					<div class="issue-date">April/June 2023</div>
+	      	<div class="issue-img"><img src="img/none.png"></div>
+	      	<div class="issue-title"></div>
+					<div class="issue-text"></div>
+	      </a>
       </div>
       
       <div id="special-issue-20" class="issue future" data-cycle="2">
-      	<div class="issue-nr">Special<br> Issue 20</div>
-				<div class="issue-date">January/March 2023</div>
-      	<div class="issue-img"><img src="img/none.png"></div>
+      	<a href="20/index.html">
+      		<div class="issue-nr">Special<br> Issue 20</div>
+					<div class="issue-date">January/March 2023</div>
+      		<div class="issue-img"><img src="img/none.png"></div>
+	      	<div class="issue-title"></div>
+					<div class="issue-text"></div>
+	      </a>
       </div>
 
       <div id="special-issue-19" class="issue" data-cycle="3">